# -*- coding:utf-8 -*-
import re
'''
editor:单玉洁
'''
def song_decoder(remix_song):
    remix_song = re.split(r'WUB', remix_song)
    remix_song = filter(None, remix_song)
    return ' '.join(remix_song)

remix_song = 'WUBWEWUBAREWUBWUBTHEWUBCHAMPIONSWUBMYWUBWUBWUBWUBWUBWUBFRIENDWUB'
song_decoder(remix_song)